package adaptorDemo.exp;

import java.io.IOException;

/**
 * @author zsh
 * @Description
 * @create 2022-04-19 19:47
 */
public interface FileIO {
    void readFromFile(String filename) throws IOException;
    void writeToFile(String filename) throws IOException;
    void setValue(String key,String value);
    String getValue(String key);
}
